18192218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 31397760

約数和(自身を除く): 13205542

約数列:

[1, 2, 11, 22, 23, 46, 157, 229, 253, 314, 458, 506, 1727, 2519, 3454, 3611, 5038, 5267, 7222, 10534, 35953, 39721, 57937, 71906, 79442, 115874, 395483, 790966, 826919, 1653838, 9096109, 18192218]

約数ペア:

[(1, 18192218), (2, 9096109), (11, 1653838), (22, 826919), (23, 790966), (46, 395483), (157, 115874), (229, 79442), (253, 71906), (314, 57937), (458, 39721), (506, 35953), (1727, 10534), (2519, 7222), (3454, 5267), (3611, 5038)]